Analysis

  • max time kernel
    94s
  • max time network
    95s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07-12-2024 18:26

General

  • Target

    81ce31befb556b3b1bd2c5c4ae856ed699bf6834762b7f1e0b6649ab239a56afN.dll

  • Size

    120KB

  • MD5

    85480369e78c1a3ca3d5d0cd7c189910

  • SHA1

    9afdf036da5cc5e30d40018e8af18b24970c7049

  • SHA256

    81ce31befb556b3b1bd2c5c4ae856ed699bf6834762b7f1e0b6649ab239a56af

  • SHA512

    d02c754aed0f46d704a1aea1c23af10d87e1b751f507b24e818dcee2b60c3c607864ae818097ba497f9f2a033e2b8e4bf199b81c794e594faf47da927dbcefc7

  • SSDEEP

    1536:G6nHX+sLm6SVf/4HcVU6CzvacOuQtaeAPo0wZN7gJ8ahvTqkZ3mUy5IRZCLS34jm:LnHOKmFxhFCacOunErMN3VF53yRHg

Malware Config

Extracted

Family

sality

C2

http://89.119.67.154/testo5/

http://kukutrustnet777.info/home.gif

http://kukutrustnet888.info/home.gif

http://kukutrustnet987.info/home.gif

Signatures

  • Modifies firewall policy service 3 TTPs 3 IoCs
  • Sality

    Sality is backdoor written in C++, first discovered in 2003.

  • Sality family
  • UAC bypass 3 TTPs 1 IoCs
  • Windows security bypass 2 TTPs 6 IoCs
  • Executes dropped EXE 3 IoCs
  • Windows security modification 2 TTPs 7 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Enumerates connected drives 3 TTPs 11 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • UPX packed file 27 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Drops file in Program Files directory 3 IoCs
  • Drops file in Windows directory 2 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 50 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\system32\fontdrvhost.exe
    "fontdrvhost.exe"
    1⤵
      PID:784
    • C:\Windows\system32\fontdrvhost.exe
      "fontdrvhost.exe"
      1⤵
        PID:792
      • C:\Windows\system32\dwm.exe
        "dwm.exe"
        1⤵
          PID:316
        • C:\Windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:2876
          • C:\Windows\system32\svchost.exe
            C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
            1⤵
              PID:2892
            • C:\Windows\system32\taskhostw.exe
              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
              1⤵
                PID:3008
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:3424
                  • C:\Windows\system32\rundll32.exe
                    rundll32.exe C:\Users\Admin\AppData\Local\Temp\81ce31befb556b3b1bd2c5c4ae856ed699bf6834762b7f1e0b6649ab239a56afN.dll,#1
                    2⤵
                    • Suspicious use of WriteProcessMemory
                    PID:3408
                    • C:\Windows\SysWOW64\rundll32.exe
                      rundll32.exe C:\Users\Admin\AppData\Local\Temp\81ce31befb556b3b1bd2c5c4ae856ed699bf6834762b7f1e0b6649ab239a56afN.dll,#1
                      3⤵
                      • System Location Discovery: System Language Discovery
                      • Suspicious use of WriteProcessMemory
                      PID:2788
                      • C:\Users\Admin\AppData\Local\Temp\e578ffb.exe
                        C:\Users\Admin\AppData\Local\Temp\e578ffb.exe
                        4⤵
                        • Modifies firewall policy service
                        • UAC bypass
                        • Windows security bypass
                        • Executes dropped EXE
                        • Windows security modification
                        • Checks whether UAC is enabled
                        • Enumerates connected drives
                        • Drops file in Program Files directory
                        • Drops file in Windows directory
                        • System Location Discovery: System Language Discovery
                        • Suspicious behavior: EnumeratesProcesses
                        • Suspicious use of AdjustPrivilegeToken
                        • Suspicious use of WriteProcessMemory
                        • System policy modification
                        PID:2124
                      • C:\Users\Admin\AppData\Local\Temp\e5791b1.exe
                        C:\Users\Admin\AppData\Local\Temp\e5791b1.exe
                        4⤵
                        • Executes dropped EXE
                        • System Location Discovery: System Language Discovery
                        PID:4708
                      • C:\Users\Admin\AppData\Local\Temp\e57b853.exe
                        C:\Users\Admin\AppData\Local\Temp\e57b853.exe
                        4⤵
                        • Executes dropped EXE
                        • System Location Discovery: System Language Discovery
                        PID:4516
                • C:\Windows\system32\svchost.exe
                  C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
                  1⤵
                    PID:3552
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                    1⤵
                      PID:3732
                    • C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
                      "C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
                      1⤵
                        PID:3820
                      • C:\Windows\System32\RuntimeBroker.exe
                        C:\Windows\System32\RuntimeBroker.exe -Embedding
                        1⤵
                          PID:3888
                        • C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
                          "C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
                          1⤵
                            PID:3964
                          • C:\Windows\System32\RuntimeBroker.exe
                            C:\Windows\System32\RuntimeBroker.exe -Embedding
                            1⤵
                              PID:4020
                            • C:\Windows\System32\RuntimeBroker.exe
                              C:\Windows\System32\RuntimeBroker.exe -Embedding
                              1⤵
                                PID:4292
                              • C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\InputApp\TextInputHost.exe
                                "C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\InputApp\TextInputHost.exe" -ServerName:InputApp.AppX9jnwykgrccxc8by3hsrsh07r423xzvav.mca
                                1⤵
                                  PID:4544
                                • C:\Windows\system32\backgroundTaskHost.exe
                                  "C:\Windows\system32\backgroundTaskHost.exe" -ServerName:App.AppXmtcan0h2tfbfy7k9kn8hbxb6dmzz1zh0.mca
                                  1⤵
                                    PID:1872

                                  Network

                                  MITRE ATT&CK Enterprise v15

                                  Replay Monitor

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                                  Downloads

                                  • C:\Users\Admin\AppData\Local\Temp\e578ffb.exe

                                    Filesize

                                    97KB

                                    MD5

                                    78b6dcf4aa3afdfbe0532b3483f11753

                                    SHA1

                                    642adf16b96f41e651b33151e80ea543c7f9a9df

                                    SHA256

                                    fe1482ce2a3b6de31c998ea71e84dc127d6d28fb9cad3084207364e8ca5e9507

                                    SHA512

                                    b5d2afef84fd9ebd39f592def456756cd52ab0eed6898b35a1b3e5dad3f07875df1e4429dbb1442737da80a17aa00d7e2ec2638cead67ee1b58f4e65c3f5cba9

                                  • memory/2124-39-0x00000000007A0000-0x000000000185A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/2124-67-0x00000000007A0000-0x000000000185A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/2124-40-0x00000000007A0000-0x000000000185A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/2124-8-0x00000000007A0000-0x000000000185A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/2124-102-0x0000000000400000-0x0000000000412000-memory.dmp

                                    Filesize

                                    72KB

                                  • memory/2124-10-0x00000000007A0000-0x000000000185A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/2124-83-0x00000000007A0000-0x000000000185A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/2124-28-0x0000000003520000-0x0000000003522000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/2124-17-0x00000000007A0000-0x000000000185A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/2124-32-0x00000000007A0000-0x000000000185A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/2124-25-0x00000000007A0000-0x000000000185A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/2124-82-0x00000000007A0000-0x000000000185A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/2124-29-0x0000000003520000-0x0000000003522000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/2124-76-0x00000000007A0000-0x000000000185A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/2124-74-0x00000000007A0000-0x000000000185A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/2124-43-0x00000000007A0000-0x000000000185A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/2124-22-0x0000000003E70000-0x0000000003E71000-memory.dmp

                                    Filesize

                                    4KB

                                  • memory/2124-73-0x00000000007A0000-0x000000000185A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/2124-33-0x00000000007A0000-0x000000000185A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/2124-35-0x00000000007A0000-0x000000000185A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/2124-36-0x00000000007A0000-0x000000000185A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/2124-37-0x00000000007A0000-0x000000000185A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/2124-38-0x00000000007A0000-0x000000000185A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/2124-70-0x00000000007A0000-0x000000000185A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/2124-6-0x00000000007A0000-0x000000000185A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/2124-9-0x00000000007A0000-0x000000000185A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/2124-11-0x00000000007A0000-0x000000000185A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/2124-68-0x00000000007A0000-0x000000000185A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/2124-5-0x0000000000400000-0x0000000000412000-memory.dmp

                                    Filesize

                                    72KB

                                  • memory/2124-64-0x00000000007A0000-0x000000000185A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/2124-63-0x00000000007A0000-0x000000000185A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/2124-62-0x0000000003520000-0x0000000003522000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/2124-60-0x00000000007A0000-0x000000000185A000-memory.dmp

                                    Filesize

                                    16.7MB

                                  • memory/2788-0-0x0000000010000000-0x0000000010020000-memory.dmp

                                    Filesize

                                    128KB

                                  • memory/2788-26-0x0000000000CC0000-0x0000000000CC2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/2788-27-0x0000000002660000-0x0000000002661000-memory.dmp

                                    Filesize

                                    4KB

                                  • memory/2788-19-0x0000000000CC0000-0x0000000000CC2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/2788-18-0x0000000000CC0000-0x0000000000CC2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/4516-55-0x00000000001F0000-0x00000000001F1000-memory.dmp

                                    Filesize

                                    4KB

                                  • memory/4516-57-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/4516-112-0x0000000000400000-0x0000000000412000-memory.dmp

                                    Filesize

                                    72KB

                                  • memory/4516-59-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/4516-48-0x0000000000400000-0x0000000000412000-memory.dmp

                                    Filesize

                                    72KB

                                  • memory/4516-105-0x00000000001E0000-0x00000000001E2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/4708-53-0x0000000000870000-0x0000000000871000-memory.dmp

                                    Filesize

                                    4KB

                                  • memory/4708-56-0x00000000001F0000-0x00000000001F2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/4708-34-0x0000000000400000-0x0000000000412000-memory.dmp

                                    Filesize

                                    72KB

                                  • memory/4708-108-0x0000000000400000-0x0000000000412000-memory.dmp

                                    Filesize

                                    72KB

                                  • memory/4708-104-0x00000000001F0000-0x00000000001F2000-memory.dmp

                                    Filesize

                                    8KB

                                  • memory/4708-58-0x00000000001F0000-0x00000000001F2000-memory.dmp

                                    Filesize

                                    8KB